The Relay,electromagnetic, cataloged under National Stock Number 5945-00-665-8560, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Allied Controls, Inc.. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-665-8560 |
| Primary Part Number | SPX37 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Allied Controls, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 110.0 AC AND 24.0 DC |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | INTERMITTENT |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 150.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 180.0 MILLIAMPERES DC SINGLE WINDING |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 4 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5945-00-665-8560 is a Relay,electromagnetic, manufactured by Allied Controls, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-665-8560 has 2 manufacturer part numbers on file: L218331-1 (Raytheon Company Dba Raytheon Co), SPX37 (Allied Controls, Inc.).
Key specifications for SPX37: Mounting Facility Type and Quantity: 3 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.500 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 110.0 AC AND 24.0 DC; Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.